<template>
<el-row>
  <el-col :span="24" style="height: 100px;">
   <div style="align-items: center;display: flex;margin-left: 250px;margin-top: 15px;">
     <img src="../assets/images/logo.png"  style="height: 70px;width: 70px;">
     <label style="margin-left: 15px;font-size: 30px;letter-spacing: 5px;color: #707070;">智能销售系统</label>
     </div>
  </el-col>
  <el-col :span="24">
    <div class="login">
      <div class="bg">
        <el-row>
          <el-col :span="12">
          <div style="float: right;"><img src="../assets/images/bg2.png"  style="height: 350px;width: 500px;margin-right: 70px;margin-top: 40px;"></div>
          </el-col>
          <el-col :span="12">
            <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" style="margin-bottom: 13px;">
              <h3 class="title">智能销售系统</h3>
              <el-form-item prop="username">
                <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="手机号">
                  <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
                </el-input>
              </el-form-item>
              <el-form-item prop="password">
                <el-input
                  v-model="loginForm.password"
                  type="password"
                  auto-complete="off"
                  placeholder="密码"
                  @keyup.enter.native="handleLogin"
                >
                  <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
                </el-input>
              </el-form-item>
              <el-form-item prop="code">
                <el-input
                  v-model="loginForm.code"
                  auto-complete="off"
                  placeholder="验证码"
                  style="width: 63%"
                  @keyup.enter.native="handleLogin"
                >
                  <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
                </el-input>
                <div class="login-code">
                  <img :src="codeUrl" @click="getCode" class="login-code-img"/>
                </div>
              </el-form-item>
              <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 10px 0px;">记住密码</el-checkbox>
              <el-form-item style="width:100%;">
                <el-button
                  :loading="loading"
                  size="medium"
                  type="primary"
                  style="width:100%;"
                  @click.native.prevent="handleLogin"
                >
                  <span v-if="!loading">登 录</span>
                  <span v-else>登 录 中...</span>
                </el-button>
                <el-link type="primary"  @click="getRegister" >用户注册</el-link>
              </el-form-item>
            </el-form>
          </el-col>
        </el-row>

      </div>
      </div>
  </el-col>
  <el-col :span="24" class="el-login-footer">
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2021 智能销售系统 All Rights Reserved.</span>
    </div>
  </el-col>
</el-row>



</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      cookiePassword: "",
      loginForm: {
        username: "admin",
        password: "admin123",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "用户名不能为空" }
        ],
        password: [
          { required: true, trigger: "blur", message: "密码不能为空" }
        ],
        code: [{ required: true, trigger: "change", message: "验证码不能为空" }]
      },
      loading: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.codeUrl = "data:image/gif;base64," + res.img;
        this.loginForm.uuid = res.uuid;
      });
    },
    getRegister(){
      this.$router.push("/register");
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(()=>{});//实现页面跳转操作
          }).catch(() => {
            this.loading = false;
            this.getCode();
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}
.bg {
  height: 450px;
  background-image: url("../assets/images/loginback.jpg");
  background-repeat: no-repeat;
  width: 100%;
  background-size: cover;
  -webkit-background-size: cover;
  -o-background-size: cover;

}
.logobg{
  width: 100px;
  background-image: url("../assets/images/logo.png");
}
.title {
  margin: 0px auto 10px auto;
  text-align: center;
  color: #707070;
  font-size: 28px;
}

.login-form {
  margin-top: 50px;
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 20px 20px 5px 20px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: black;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
